Home / 13,677.32-20,523.96-5,357

Finding the Fourth Proportional to 13,677.32, 20,523.96 and 5,357

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Solution

The fourth proportional to 13,677.32, 20,523.96 and 5,357 is: 8,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.32 : 20,523.96 = 5,357 : x
  2. Step 2: Convert to fraction form
    13,677.32/20,523.96 = 5,357/x
  3. Step 3: Cross multiply
    13,677.32x = 20,523.96 × 5,357
  4. Step 4: Simplify right side
    13,677.32x = 109,946,853.72
  5. Step 5: Solve for x
    x = 109,946,853.72/13,677.32
  6. Step 6: Final answer
    x = 8,038.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.